# A028020 (b-file synthesized from sequence entry)
0 1
1 33
2 711
3 12677
4 203175
5 3043341
6 43527247
7 602201829
8 8127414999
9 107618860349
10 1403846663583
11 18094236941781
12 230951316035623
13 2924174000253357
14 36776292351134319
15 459910668538753733